excreate.c revision 193341
167754Smsmith/****************************************************************************** 267754Smsmith * 377424Smsmith * Module Name: excreate - Named object creation 467754Smsmith * 567754Smsmith *****************************************************************************/ 667754Smsmith 767754Smsmith/****************************************************************************** 867754Smsmith * 967754Smsmith * 1. Copyright Notice 1067754Smsmith * 11193267Sjkim * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 1270243Smsmith * All rights reserved. 1367754Smsmith * 1467754Smsmith * 2. License 1567754Smsmith * 1667754Smsmith * 2.1. This is your license from Intel Corp. under its intellectual property 1767754Smsmith * rights. You may have additional license terms from the party that provided 1867754Smsmith * you this software, covering your right to use that party's intellectual 1967754Smsmith * property rights. 2067754Smsmith * 2167754Smsmith * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2267754Smsmith * copy of the source code appearing in this file ("Covered Code") an 2367754Smsmith * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2467754Smsmith * base code distributed originally by Intel ("Original Intel Code") to copy, 2567754Smsmith * make derivatives, distribute, use and display any portion of the Covered 2667754Smsmith * Code in any form, with the right to sublicense such rights; and 2767754Smsmith * 2867754Smsmith * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 2967754Smsmith * license (with the right to sublicense), under only those claims of Intel 3067754Smsmith * patents that are infringed by the Original Intel Code, to make, use, sell, 3167754Smsmith * offer to sell, and import the Covered Code and derivative works thereof 3267754Smsmith * solely to the minimum extent necessary to exercise the above copyright 3367754Smsmith * license, and in no event shall the patent license extend to any additions 3467754Smsmith * to or modifications of the Original Intel Code. No other license or right 3567754Smsmith * is granted directly or by implication, estoppel or otherwise; 3667754Smsmith * 3767754Smsmith * The above copyright and patent license is granted only if the following 3867754Smsmith * conditions are met: 3967754Smsmith * 4067754Smsmith * 3. Conditions 4167754Smsmith * 4267754Smsmith * 3.1. Redistribution of Source with Rights to Further Distribute Source. 4367754Smsmith * Redistribution of source code of any substantial portion of the Covered 4467754Smsmith * Code or modification with rights to further distribute source must include 4567754Smsmith * the above Copyright Notice, the above License, this list of Conditions, 4667754Smsmith * and the following Disclaimer and Export Compliance provision. In addition, 4767754Smsmith * Licensee must cause all Covered Code to which Licensee contributes to 4867754Smsmith * contain a file documenting the changes Licensee made to create that Covered 4967754Smsmith * Code and the date of any change. Licensee must include in that file the 5067754Smsmith * documentation of any changes made by any predecessor Licensee. Licensee 5167754Smsmith * must include a prominent statement that the modification is derived, 5267754Smsmith * directly or indirectly, from Original Intel Code. 5367754Smsmith * 5467754Smsmith * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 5567754Smsmith * Redistribution of source code of any substantial portion of the Covered 5667754Smsmith * Code or modification without rights to further distribute source must 5767754Smsmith * include the following Disclaimer and Export Compliance provision in the 5867754Smsmith * documentation and/or other materials provided with distribution. In 5967754Smsmith * addition, Licensee may not authorize further sublicense of source of any 6067754Smsmith * portion of the Covered Code, and must include terms to the effect that the 6167754Smsmith * license from Licensee to its licensee is limited to the intellectual 6267754Smsmith * property embodied in the software Licensee provides to its licensee, and 6367754Smsmith * not to intellectual property embodied in modifications its licensee may 6467754Smsmith * make. 6567754Smsmith * 6667754Smsmith * 3.3. Redistribution of Executable. Redistribution in executable form of any 6767754Smsmith * substantial portion of the Covered Code or modification must reproduce the 6867754Smsmith * above Copyright Notice, and the following Disclaimer and Export Compliance 6967754Smsmith * provision in the documentation and/or other materials provided with the 7067754Smsmith * distribution. 7167754Smsmith * 7267754Smsmith * 3.4. Intel retains all right, title, and interest in and to the Original 7367754Smsmith * Intel Code. 7467754Smsmith * 7567754Smsmith * 3.5. Neither the name Intel nor any other trademark owned or controlled by 7667754Smsmith * Intel shall be used in advertising or otherwise to promote the sale, use or 7767754Smsmith * other dealings in products derived from or relating to the Covered Code 7867754Smsmith * without prior written authorization from Intel. 7967754Smsmith * 8067754Smsmith * 4. Disclaimer and Export Compliance 8167754Smsmith * 8267754Smsmith * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 8367754Smsmith * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 8467754Smsmith * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 8567754Smsmith * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 8667754Smsmith 8767754Smsmith * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 8867754Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 8967754Smsmith * PARTICULAR PURPOSE. 9067754Smsmith * 9167754Smsmith * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 9267754Smsmith * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 9367754Smsmith * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 9467754Smsmith * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 9567754Smsmith * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 9667754Smsmith * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 9767754Smsmith * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 9867754Smsmith * LIMITED REMEDY. 9967754Smsmith * 10067754Smsmith * 4.3. Licensee shall not export, either directly or indirectly, any of this 10167754Smsmith * software or system incorporating such software without first obtaining any 10267754Smsmith * required license or other approval from the U. S. Department of Commerce or 10367754Smsmith * any other agency or department of the United States Government. In the 10467754Smsmith * event Licensee exports any such software from the United States or 10567754Smsmith * re-exports any such software from a foreign destination, Licensee shall 10667754Smsmith * ensure that the distribution and export/re-export of the software is in 10767754Smsmith * compliance with all laws, regulations, orders, or other restrictions of the 10867754Smsmith * U.S. Export Administration Regulations. Licensee agrees that neither it nor 10967754Smsmith * any of its subsidiaries will export/re-export any technical data, process, 11067754Smsmith * software, or service, directly or indirectly, to any country for which the 11167754Smsmith * United States government or any agency thereof requires an export license, 11267754Smsmith * other governmental approval, or letter of assurance, without first obtaining 11367754Smsmith * such license, approval or letter. 11467754Smsmith * 11567754Smsmith *****************************************************************************/ 11667754Smsmith 11777424Smsmith#define __EXCREATE_C__ 11867754Smsmith 119193341Sjkim#include <contrib/dev/acpica/include/acpi.h> 120193341Sjkim#include <contrib/dev/acpica/include/accommon.h> 121193341Sjkim#include <contrib/dev/acpica/include/acinterp.h> 122193341Sjkim#include <contrib/dev/acpica/include/amlcode.h> 123193341Sjkim#include <contrib/dev/acpica/include/acnamesp.h> 12467754Smsmith 12567754Smsmith 12677424Smsmith#define _COMPONENT ACPI_EXECUTER 12791116Smsmith ACPI_MODULE_NAME ("excreate") 12867754Smsmith 12967754Smsmith 130100966Siwasaki#ifndef ACPI_NO_METHOD_EXECUTION 131151937Sjkim/******************************************************************************* 13267754Smsmith * 13377424Smsmith * FUNCTION: AcpiExCreateAlias 13467754Smsmith * 13599679Siwasaki * PARAMETERS: WalkState - Current state, contains operands 13667754Smsmith * 13767754Smsmith * RETURN: Status 13867754Smsmith * 13967754Smsmith * DESCRIPTION: Create a new named alias 14067754Smsmith * 141151937Sjkim ******************************************************************************/ 14267754Smsmith 14367754SmsmithACPI_STATUS 14477424SmsmithAcpiExCreateAlias ( 14567754Smsmith ACPI_WALK_STATE *WalkState) 14667754Smsmith{ 147104470Siwasaki ACPI_NAMESPACE_NODE *TargetNode; 148104470Siwasaki ACPI_NAMESPACE_NODE *AliasNode; 149107325Siwasaki ACPI_STATUS Status = AE_OK; 15067754Smsmith 15167754Smsmith 152167802Sjkim ACPI_FUNCTION_TRACE (ExCreateAlias); 15367754Smsmith 15467754Smsmith 15577424Smsmith /* Get the source/alias operands (both namespace nodes) */ 15667754Smsmith 157104470Siwasaki AliasNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 158104470Siwasaki TargetNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[1]; 15967754Smsmith 160128212Snjl if ((TargetNode->Type == ACPI_TYPE_LOCAL_ALIAS) || 161128212Snjl (TargetNode->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) 162104470Siwasaki { 163114237Snjl /* 164104470Siwasaki * Dereference an existing alias so that we don't create a chain 165104470Siwasaki * of aliases. With this code, we guarantee that an alias is 166114237Snjl * always exactly one level of indirection away from the 167104470Siwasaki * actual aliased name. 168104470Siwasaki */ 169128212Snjl TargetNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, TargetNode->Object); 170104470Siwasaki } 17167754Smsmith 17267754Smsmith /* 173104470Siwasaki * For objects that can never change (i.e., the NS node will 174104470Siwasaki * permanently point to the same object), we can simply attach 175104470Siwasaki * the object to the new NS node. For other objects (such as 176104470Siwasaki * Integers, buffers, etc.), we have to point the Alias node 177104470Siwasaki * to the original Node. 17867754Smsmith */ 179104470Siwasaki switch (TargetNode->Type) 180104470Siwasaki { 181193267Sjkim 182193267Sjkim /* For these types, the sub-object can change dynamically via a Store */ 183193267Sjkim 184104470Siwasaki case ACPI_TYPE_INTEGER: 185104470Siwasaki case ACPI_TYPE_STRING: 186104470Siwasaki case ACPI_TYPE_BUFFER: 187104470Siwasaki case ACPI_TYPE_PACKAGE: 188104470Siwasaki case ACPI_TYPE_BUFFER_FIELD: 18967754Smsmith 190193267Sjkim /* 191193267Sjkim * These types open a new scope, so we need the NS node in order to access 192193267Sjkim * any children. 193193267Sjkim */ 194193267Sjkim case ACPI_TYPE_DEVICE: 195193267Sjkim case ACPI_TYPE_POWER: 196193267Sjkim case ACPI_TYPE_PROCESSOR: 197193267Sjkim case ACPI_TYPE_THERMAL: 198193267Sjkim case ACPI_TYPE_LOCAL_SCOPE: 199193267Sjkim 200104470Siwasaki /* 201104470Siwasaki * The new alias has the type ALIAS and points to the original 202193267Sjkim * NS node, not the object itself. 203104470Siwasaki */ 204107325Siwasaki AliasNode->Type = ACPI_TYPE_LOCAL_ALIAS; 205107325Siwasaki AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 206104470Siwasaki break; 207104470Siwasaki 208128212Snjl case ACPI_TYPE_METHOD: 209128212Snjl 210128212Snjl /* 211193267Sjkim * Control method aliases need to be differentiated 212128212Snjl */ 213128212Snjl AliasNode->Type = ACPI_TYPE_LOCAL_METHOD_ALIAS; 214128212Snjl AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 215128212Snjl break; 216128212Snjl 217104470Siwasaki default: 218104470Siwasaki 219104470Siwasaki /* Attach the original source object to the new Alias Node */ 220104470Siwasaki 221104470Siwasaki /* 222104470Siwasaki * The new alias assumes the type of the target, and it points 223104470Siwasaki * to the same object. The reference count of the object has an 224104470Siwasaki * additional reference to prevent deletion out from under either the 225104470Siwasaki * target node or the alias Node 226104470Siwasaki */ 227104470Siwasaki Status = AcpiNsAttachObject (AliasNode, 228151937Sjkim AcpiNsGetAttachedObject (TargetNode), TargetNode->Type); 229104470Siwasaki break; 230104470Siwasaki } 231104470Siwasaki 23277424Smsmith /* Since both operands are Nodes, we don't need to delete them */ 23367754Smsmith 234107325Siwasaki return_ACPI_STATUS (Status); 23567754Smsmith} 23667754Smsmith 23767754Smsmith 238151937Sjkim/******************************************************************************* 23967754Smsmith * 24077424Smsmith * FUNCTION: AcpiExCreateEvent 24167754Smsmith * 24284491Smsmith * PARAMETERS: WalkState - Current state 24367754Smsmith * 24467754Smsmith * RETURN: Status 24567754Smsmith * 24667754Smsmith * DESCRIPTION: Create a new event object 24767754Smsmith * 248151937Sjkim ******************************************************************************/ 24967754Smsmith 25067754SmsmithACPI_STATUS 25177424SmsmithAcpiExCreateEvent ( 25267754Smsmith ACPI_WALK_STATE *WalkState) 25367754Smsmith{ 25467754Smsmith ACPI_STATUS Status; 25567754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 25667754Smsmith 25767754Smsmith 258167802Sjkim ACPI_FUNCTION_TRACE (ExCreateEvent); 25967754Smsmith 26067754Smsmith 26177424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_EVENT); 26267754Smsmith if (!ObjDesc) 26367754Smsmith { 26467754Smsmith Status = AE_NO_MEMORY; 26567754Smsmith goto Cleanup; 26667754Smsmith } 26767754Smsmith 26891116Smsmith /* 26987031Smsmith * Create the actual OS semaphore, with zero initial units -- meaning 27087031Smsmith * that the event is created in an unsignalled state 27187031Smsmith */ 27287031Smsmith Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0, 273167802Sjkim &ObjDesc->Event.OsSemaphore); 27467754Smsmith if (ACPI_FAILURE (Status)) 27567754Smsmith { 27667754Smsmith goto Cleanup; 27767754Smsmith } 27867754Smsmith 27967754Smsmith /* Attach object to the Node */ 28067754Smsmith 28185756Smsmith Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) WalkState->Operands[0], 282151937Sjkim ObjDesc, ACPI_TYPE_EVENT); 28367754Smsmith 28467754SmsmithCleanup: 28587031Smsmith /* 28685756Smsmith * Remove local reference to the object (on error, will cause deletion 28785756Smsmith * of both object and semaphore if present.) 28885756Smsmith */ 28985756Smsmith AcpiUtRemoveReference (ObjDesc); 29067754Smsmith return_ACPI_STATUS (Status); 29167754Smsmith} 29267754Smsmith 29367754Smsmith 294151937Sjkim/******************************************************************************* 29567754Smsmith * 29677424Smsmith * FUNCTION: AcpiExCreateMutex 29767754Smsmith * 29884491Smsmith * PARAMETERS: WalkState - Current state 29967754Smsmith * 30067754Smsmith * RETURN: Status 30167754Smsmith * 30267754Smsmith * DESCRIPTION: Create a new mutex object 30367754Smsmith * 30485756Smsmith * Mutex (Name[0], SyncLevel[1]) 30585756Smsmith * 306151937Sjkim ******************************************************************************/ 30767754Smsmith 30867754SmsmithACPI_STATUS 30977424SmsmithAcpiExCreateMutex ( 31067754Smsmith ACPI_WALK_STATE *WalkState) 31167754Smsmith{ 31267754Smsmith ACPI_STATUS Status = AE_OK; 31367754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 31467754Smsmith 31567754Smsmith 316167802Sjkim ACPI_FUNCTION_TRACE_PTR (ExCreateMutex, ACPI_WALK_OPERANDS); 31767754Smsmith 31867754Smsmith 31985756Smsmith /* Create the new mutex object */ 32067754Smsmith 32177424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_MUTEX); 32267754Smsmith if (!ObjDesc) 32367754Smsmith { 32467754Smsmith Status = AE_NO_MEMORY; 32567754Smsmith goto Cleanup; 32667754Smsmith } 32767754Smsmith 328167802Sjkim /* Create the actual OS Mutex */ 329167802Sjkim 330167802Sjkim Status = AcpiOsCreateMutex (&ObjDesc->Mutex.OsMutex); 33167754Smsmith if (ACPI_FAILURE (Status)) 33267754Smsmith { 33367754Smsmith goto Cleanup; 33467754Smsmith } 33567754Smsmith 33685756Smsmith /* Init object and attach to NS node */ 33767754Smsmith 33885756Smsmith ObjDesc->Mutex.SyncLevel = (UINT8) WalkState->Operands[1]->Integer.Value; 339107325Siwasaki ObjDesc->Mutex.Node = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 34067754Smsmith 341167802Sjkim Status = AcpiNsAttachObject (ObjDesc->Mutex.Node, ObjDesc, ACPI_TYPE_MUTEX); 34267754Smsmith 34367754Smsmith 34467754SmsmithCleanup: 34587031Smsmith /* 34685756Smsmith * Remove local reference to the object (on error, will cause deletion 34785756Smsmith * of both object and semaphore if present.) 34885756Smsmith */ 34985756Smsmith AcpiUtRemoveReference (ObjDesc); 35067754Smsmith return_ACPI_STATUS (Status); 35167754Smsmith} 35267754Smsmith 35367754Smsmith 354151937Sjkim/******************************************************************************* 35567754Smsmith * 35677424Smsmith * FUNCTION: AcpiExCreateRegion 35767754Smsmith * 35884491Smsmith * PARAMETERS: AmlStart - Pointer to the region declaration AML 35967754Smsmith * AmlLength - Max length of the declaration AML 360151937Sjkim * RegionSpace - SpaceID for the region 36184491Smsmith * WalkState - Current state 36267754Smsmith * 36367754Smsmith * RETURN: Status 36467754Smsmith * 36567754Smsmith * DESCRIPTION: Create a new operation region object 36667754Smsmith * 367151937Sjkim ******************************************************************************/ 36867754Smsmith 36967754SmsmithACPI_STATUS 37077424SmsmithAcpiExCreateRegion ( 37184491Smsmith UINT8 *AmlStart, 37267754Smsmith UINT32 AmlLength, 37369746Smsmith UINT8 RegionSpace, 37467754Smsmith ACPI_WALK_STATE *WalkState) 37567754Smsmith{ 37667754Smsmith ACPI_STATUS Status; 37767754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 37867754Smsmith ACPI_NAMESPACE_NODE *Node; 37991116Smsmith ACPI_OPERAND_OBJECT *RegionObj2; 38067754Smsmith 38167754Smsmith 382167802Sjkim ACPI_FUNCTION_TRACE (ExCreateRegion); 38367754Smsmith 38467754Smsmith 385123315Snjl /* Get the Namespace Node */ 38685756Smsmith 38799679Siwasaki Node = WalkState->Op->Common.Node; 38885756Smsmith 38970243Smsmith /* 39085756Smsmith * If the region object is already attached to this node, 39185756Smsmith * just return 39285756Smsmith */ 39387031Smsmith if (AcpiNsGetAttachedObject (Node)) 39485756Smsmith { 39585756Smsmith return_ACPI_STATUS (AE_OK); 39685756Smsmith } 39785756Smsmith 39885756Smsmith /* 39970243Smsmith * Space ID must be one of the predefined IDs, or in the user-defined 40069746Smsmith * range 40169746Smsmith */ 40287031Smsmith if ((RegionSpace >= ACPI_NUM_PREDEFINED_REGIONS) && 40387031Smsmith (RegionSpace < ACPI_USER_REGION_BEGIN)) 40467754Smsmith { 405167802Sjkim ACPI_ERROR ((AE_INFO, "Invalid AddressSpace type %X", RegionSpace)); 40669746Smsmith return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID); 40767754Smsmith } 40867754Smsmith 40982367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", 410151937Sjkim AcpiUtGetRegionName (RegionSpace), RegionSpace)); 41167754Smsmith 41267754Smsmith /* Create the region descriptor */ 41367754Smsmith 41477424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION); 41567754Smsmith if (!ObjDesc) 41667754Smsmith { 41767754Smsmith Status = AE_NO_MEMORY; 41867754Smsmith goto Cleanup; 41967754Smsmith } 42067754Smsmith 42167754Smsmith /* 42267754Smsmith * Remember location in AML stream of address & length 42367754Smsmith * operands since they need to be evaluated at run time. 42467754Smsmith */ 425167802Sjkim RegionObj2 = ObjDesc->Common.NextObject; 426167802Sjkim RegionObj2->Extra.AmlStart = AmlStart; 42787031Smsmith RegionObj2->Extra.AmlLength = AmlLength; 42867754Smsmith 42967754Smsmith /* Init the region from the operands */ 43067754Smsmith 43185756Smsmith ObjDesc->Region.SpaceId = RegionSpace; 43285756Smsmith ObjDesc->Region.Address = 0; 433167802Sjkim ObjDesc->Region.Length = 0; 434167802Sjkim ObjDesc->Region.Node = Node; 43567754Smsmith 43667754Smsmith /* Install the new region object in the parent Node */ 43767754Smsmith 43891116Smsmith Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION); 43967754Smsmith 44067754Smsmith 44167754SmsmithCleanup: 44267754Smsmith 44385756Smsmith /* Remove local reference to the object */ 44467754Smsmith 44585756Smsmith AcpiUtRemoveReference (ObjDesc); 44667754Smsmith return_ACPI_STATUS (Status); 44767754Smsmith} 44867754Smsmith 44967754Smsmith 450151937Sjkim/******************************************************************************* 45167754Smsmith * 45277424Smsmith * FUNCTION: AcpiExCreateProcessor 45367754Smsmith * 45499679Siwasaki * PARAMETERS: WalkState - Current state 45567754Smsmith * 45667754Smsmith * RETURN: Status 45767754Smsmith * 45867754Smsmith * DESCRIPTION: Create a new processor object and populate the fields 45967754Smsmith * 46085756Smsmith * Processor (Name[0], CpuID[1], PblockAddr[2], PblockLength[3]) 46185756Smsmith * 462151937Sjkim ******************************************************************************/ 46367754Smsmith 46467754SmsmithACPI_STATUS 46577424SmsmithAcpiExCreateProcessor ( 46685756Smsmith ACPI_WALK_STATE *WalkState) 46767754Smsmith{ 46885756Smsmith ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 46985756Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 47067754Smsmith ACPI_STATUS Status; 47167754Smsmith 47267754Smsmith 473167802Sjkim ACPI_FUNCTION_TRACE_PTR (ExCreateProcessor, WalkState); 47467754Smsmith 47567754Smsmith 47685756Smsmith /* Create the processor object */ 47785756Smsmith 47877424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PROCESSOR); 47967754Smsmith if (!ObjDesc) 48067754Smsmith { 48177424Smsmith return_ACPI_STATUS (AE_NO_MEMORY); 48267754Smsmith } 48367754Smsmith 484151937Sjkim /* Initialize the processor object from the operands */ 485151937Sjkim 486167802Sjkim ObjDesc->Processor.ProcId = (UINT8) Operand[1]->Integer.Value; 487167802Sjkim ObjDesc->Processor.Length = (UINT8) Operand[3]->Integer.Value; 48885756Smsmith ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Operand[2]->Integer.Value; 48967754Smsmith 49085756Smsmith /* Install the processor object in the parent Node */ 49167754Smsmith 49287031Smsmith Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 49391116Smsmith ObjDesc, ACPI_TYPE_PROCESSOR); 49477424Smsmith 49585756Smsmith /* Remove local reference to the object */ 49667754Smsmith 49785756Smsmith AcpiUtRemoveReference (ObjDesc); 49885756Smsmith return_ACPI_STATUS (Status); 49967754Smsmith} 50067754Smsmith 50167754Smsmith 502151937Sjkim/******************************************************************************* 50367754Smsmith * 50477424Smsmith * FUNCTION: AcpiExCreatePowerResource 50567754Smsmith * 50699679Siwasaki * PARAMETERS: WalkState - Current state 50767754Smsmith * 50867754Smsmith * RETURN: Status 50967754Smsmith * 51067754Smsmith * DESCRIPTION: Create a new PowerResource object and populate the fields 51167754Smsmith * 51285756Smsmith * PowerResource (Name[0], SystemLevel[1], ResourceOrder[2]) 51385756Smsmith * 514151937Sjkim ******************************************************************************/ 51567754Smsmith 51667754SmsmithACPI_STATUS 51777424SmsmithAcpiExCreatePowerResource ( 51885756Smsmith ACPI_WALK_STATE *WalkState) 51967754Smsmith{ 52085756Smsmith ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 52167754Smsmith ACPI_STATUS Status; 52267754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 52367754Smsmith 52467754Smsmith 525167802Sjkim ACPI_FUNCTION_TRACE_PTR (ExCreatePowerResource, WalkState); 52667754Smsmith 52767754Smsmith 52885756Smsmith /* Create the power resource object */ 52985756Smsmith 53077424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_POWER); 53167754Smsmith if (!ObjDesc) 53267754Smsmith { 53377424Smsmith return_ACPI_STATUS (AE_NO_MEMORY); 53467754Smsmith } 53567754Smsmith 53685756Smsmith /* Initialize the power object from the operands */ 53767754Smsmith 538167802Sjkim ObjDesc->PowerResource.SystemLevel = (UINT8) Operand[1]->Integer.Value; 53985756Smsmith ObjDesc->PowerResource.ResourceOrder = (UINT16) Operand[2]->Integer.Value; 54067754Smsmith 54185756Smsmith /* Install the power resource object in the parent Node */ 54267754Smsmith 54387031Smsmith Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 54491116Smsmith ObjDesc, ACPI_TYPE_POWER); 54567754Smsmith 54685756Smsmith /* Remove local reference to the object */ 54767754Smsmith 54885756Smsmith AcpiUtRemoveReference (ObjDesc); 54985756Smsmith return_ACPI_STATUS (Status); 55067754Smsmith} 551100966Siwasaki#endif 55267754Smsmith 553151937Sjkim 554151937Sjkim/******************************************************************************* 55567754Smsmith * 55677424Smsmith * FUNCTION: AcpiExCreateMethod 55767754Smsmith * 55884491Smsmith * PARAMETERS: AmlStart - First byte of the method's AML 55967754Smsmith * AmlLength - AML byte count for this method 56099679Siwasaki * WalkState - Current state 56167754Smsmith * 56267754Smsmith * RETURN: Status 56367754Smsmith * 56467754Smsmith * DESCRIPTION: Create a new method object 56567754Smsmith * 566151937Sjkim ******************************************************************************/ 56767754Smsmith 56867754SmsmithACPI_STATUS 56977424SmsmithAcpiExCreateMethod ( 57084491Smsmith UINT8 *AmlStart, 57167754Smsmith UINT32 AmlLength, 57285756Smsmith ACPI_WALK_STATE *WalkState) 57367754Smsmith{ 57485756Smsmith ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 57567754Smsmith ACPI_OPERAND_OBJECT *ObjDesc; 57667754Smsmith ACPI_STATUS Status; 57785756Smsmith UINT8 MethodFlags; 57867754Smsmith 57967754Smsmith 580167802Sjkim ACPI_FUNCTION_TRACE_PTR (ExCreateMethod, WalkState); 58167754Smsmith 58267754Smsmith 58367754Smsmith /* Create a new method object */ 58467754Smsmith 58577424Smsmith ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); 58667754Smsmith if (!ObjDesc) 58767754Smsmith { 588167802Sjkim Status = AE_NO_MEMORY; 589167802Sjkim goto Exit; 59067754Smsmith } 59167754Smsmith 59285756Smsmith /* Save the method's AML pointer and length */ 59367754Smsmith 594167802Sjkim ObjDesc->Method.AmlStart = AmlStart; 59584491Smsmith ObjDesc->Method.AmlLength = AmlLength; 59667754Smsmith 597127175Snjl /* 598167802Sjkim * Disassemble the method flags. Split off the Arg Count 599127175Snjl * for efficiency 600127175Snjl */ 60185756Smsmith MethodFlags = (UINT8) Operand[1]->Integer.Value; 60285756Smsmith 603127175Snjl ObjDesc->Method.MethodFlags = (UINT8) (MethodFlags & ~AML_METHOD_ARG_COUNT); 604167802Sjkim ObjDesc->Method.ParamCount = (UINT8) (MethodFlags & AML_METHOD_ARG_COUNT); 60585756Smsmith 60667754Smsmith /* 607167802Sjkim * Get the SyncLevel. If method is serialized, a mutex will be 60867754Smsmith * created for this method when it is parsed. 60967754Smsmith */ 610167802Sjkim if (MethodFlags & AML_METHOD_SERIALIZED) 61167754Smsmith { 61277424Smsmith /* 613167802Sjkim * ACPI 1.0: SyncLevel = 0 614167802Sjkim * ACPI 2.0: SyncLevel = SyncLevel in method declaration 61577424Smsmith */ 616167802Sjkim ObjDesc->Method.SyncLevel = (UINT8) 617193267Sjkim ((MethodFlags & AML_METHOD_SYNC_LEVEL) >> 4); 61867754Smsmith } 61967754Smsmith 62067754Smsmith /* Attach the new object to the method Node */ 62167754Smsmith 62287031Smsmith Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 62391116Smsmith ObjDesc, ACPI_TYPE_METHOD); 62467754Smsmith 62585756Smsmith /* Remove local reference to the object */ 62685756Smsmith 62785756Smsmith AcpiUtRemoveReference (ObjDesc); 62885756Smsmith 629167802SjkimExit: 63085756Smsmith /* Remove a reference to the operand */ 63185756Smsmith 63285756Smsmith AcpiUtRemoveReference (Operand[1]); 63367754Smsmith return_ACPI_STATUS (Status); 63467754Smsmith} 63567754Smsmith 63667754Smsmith 637